Inconel 625 Hex BoltASTM B446 · ASME B18.2.1 · Manufacturer, stockist & exporter, India
Alloy 625 · UNS N06625
An Inconel 625 hex bolt is a bolt with a hexagonal head, made from Inconel 625 to ASTM B446. Hex bolts join flanges, structures and equipment where one side is accessible for the head. Dimensions to ASME B18.2.1 or DIN 931 / 933.
- ASTM B446
- ASME B18.2.1
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an Inconel 625 Hex Bolt?
- What it is
- A bolt with a hexagonal head
- Material
- ASTM B446
- Dimensions
- ASME B18.2.1 · DIN 931 / 933
- Grade
- Inconel 625 · UNS N06625
- Best at
- Seawater, high strength and high temperature in one alloy
Inconel 625 Hex Bolt Specification
| Product | Inconel 625 Hex Bolt |
|---|---|
| Material standard | ASTM B446 |
| Dimensional standard | ASME B18.2.1 · DIN 931 / 933 |
| Sizes | M10 – M64 · ½" – 4" (others on request) |
| Threads | UNC · UN-8 · metric coarse |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a Hex Bolt
Hex bolts join flanges, structures and equipment where one side is accessible for the head. Dimensions to ASME B18.2.1 or DIN 931 / 933.
- Partially or fully threaded
- ASME B18.2.1 / DIN 931 / DIN 933
- Supplied with nuts and washers
Inconel 625 Hex Bolt Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | 58.0 min |
| Chromium | 20.0 – 23.0 |
| Molybdenum | 8.0 – 10.0 |
| Niobium + Tantalum | 3.15 – 4.15 |
| Iron | 5.0 max |
| Carbon | 0.10 max |
| Manganese | 0.50 max |
| Silicon | 0.50 max |
Inconel 625 Hex Bolt Mechanical Properties
| Grade 1 annealed plate | Value |
|---|---|
| Tensile strength | 827 MPa · 120 ksi |
| Yield strength 0.2% | 414 MPa · 60 ksi |
| Elongation | 30% |
Full chemistry, properties and equivalents are on the Inconel 625 grade page.
Standards on this page
Other Inconel 625 fasteners
Inconel 625 Hex Bolts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiInconel 625 Hex Bolt — questions buyers ask
DIN 931 or DIN 933?
DIN 931 bolts are partly threaded; DIN 933 are fully threaded.
Which standard covers Inconel 625 hex bolts?
The material is ASTM B446; dimensions follow ASME B18.2.1 · DIN 931 / 933. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Inconel 625 hex bolt?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
Can you supply Inconel 625 hex bolts to NACE MR0175?
Yes. Inconel 625 is listed in NACE MR0175 / ISO 15156-3 within its limits; state NACE compliance on the order and it is confirmed on the certificate.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026